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... Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid at a n...
...: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid ...
...coal tar pitch for anticorrosion of China manufacture Modified Bitumen Product Description Definition: the pitch obtained from deep process of coal tar or general coal pitch. Application courses: Coal Scienc...
...Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid at a normal tempera...
... Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid at a n...
... Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid at a n...
...: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid ...
... Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid at a n...
...Coal Tar Pitch Used In Manufacturing Pre-Baked Anode Cells Product Description Definition: the pitch obtained from deep process of coal tar or general coal pitch. Application courses: Coal Science and Techno...
...: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid ...